Home / 21,186,779.26-31,780,464.08-6,040,710.76

Finding the Fourth Proportional to 21,186,779.26, 31,780,464.08 and 6,040,710.76

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Solution

The fourth proportional to 21,186,779.26, 31,780,464.08 and 6,040,710.76 is: 9,061,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,779.26 : 31,780,464.08 = 6,040,710.76 : x
  2. Step 2: Convert to fraction form
    21,186,779.26/31,780,464.08 = 6,040,710.76/x
  3. Step 3: Cross multiply
    21,186,779.26x = 31,780,464.08 × 6,040,710.76
  4. Step 4: Simplify right side
    21,186,779.26x = 191,976,591,325,849.47
  5. Step 5: Solve for x
    x = 191,976,591,325,849.47/21,186,779.26
  6. Step 6: Final answer
    x = 9,061,150.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.